Accelerating an Water Maser Face-on Jet from a High Mass Young Stellar Object

Kazuhito Motogi,Kazuo Sorai,Mareki Honma,Tomoya Hirota,Kazuya Hachisuka,Kotaro Niinuma,Koichiro Sugiyama,Yosinori Yonekura,Kenta Fujisawa

Publications of the Astronomical Society of Japan（2016）

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摘要

We report on long-term single-dish and VLBI monitoring for intermittent flare activities of a dominant blue-shifted H2O maser associated with a southern high mass young stellar object, G353.273+0.641. Bi-weekly single-dish monitoring using the Hokkaido University Tomakomai 11 m radio telescope has shown that a systematic acceleration continues over four years beyond the lifetime of individual mase...

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ISM: jets and outflows,masers,stars: formation

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